X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;ds=inline;f=template.php;h=1c775131981ef81b2e1593e31cbd0a95d20c11c4;hb=7596b1ca035ff09e584e915a6e5572ffb46d7625;hp=897afc7418af59442d79fd65a6be11160625e9c9;hpb=ed24e4f9ececaa1b5cd4e68045f27956ebbb1938;p=wfpl.git
diff --git a/template.php b/template.php
index 897afc7..1c77513 100644
--- a/template.php
+++ b/template.php
@@ -1,24 +1,5 @@
keyval = array('' => '~');
+ $this->keyval = array('' => '~'); # so that ~~ in the template creates a single ~
$this->sub_templates = array();
}
@@ -53,20 +39,54 @@ class tem {
$this->keyval[$key] = $value;
}
+ # like set() but appends
+ function append($key, $value) {
+ $this->keyval[$key] .= $value;
+ }
+
+ # like set() but prepends
+ function prepend($key, $value) {
+ $this->keyval[$key] = $value . $this->keyval[$key];
+ }
+
+ # clear a value. Functionally equivalent to set($key, '') but cleaner and more efficient
+ function clear($key) {
+ unset($this->keyval[$key]);
+ }
+
# grab a value you stuck in earlier with set()
function get($key) {
return $this->keyval[$key];
}
+ # depricated (renamed show())
+ function sub($sub_template_name) {
+ $this->show($sub_template_name);
+ }
+
# run the template engine on one of the sub-templates and append the result
# to the keyval in the main array. See tem_test.php for an example of how
# this can be used.
- function sub($sub_template_name) {
+ function show($sub_template_name) {
$this->keyval[$sub_template_name] .= template_run($this->sub_templates[$sub_template_name], $this->keyval);
+
+ # after running a sub-template, clear its sub-templates
+ if(isset($this->sub_subs[$sub_template_name])) {
+ foreach($this->sub_subs[$sub_template_name] as $sub_sub) {
+ $this->clear($sub_sub);
+ }
+ }
+ }
+
+ function show_separated($sub_template_name) {
+ if($this->get($sub_template_name)) {
+ $this->show($sub_template_name . '_sep');
+ }
+ $this->show($sub_template_name);
}
# this is used by tem::load() and should be otherwise useless
- function _load(&$in, &$out) {
+ function _load(&$in, &$out, &$parents, &$parent) {
while($in) {
# scan for one of: 1) the begining of a sub-template 2) the end of this one 3) the end of the file
$n = strpos($in, '', substr($in, 0, 12)) == 0) {
$in = substr($in, 12);
+ $parent = array_pop($parents);
return;
}
$matches = array();
# this limits sub_template names to 50 chars
- if(ereg('', substr($in, 0, 65), $matches)) {
+ if(ereg('^', substr($in, 0, 65), $matches)) {
list($start_tag, $tag_name) = $matches;
+
+ # keep track of the tree
+ if(!isset($this->sub_subs[$parent])) {
+ $this->sub_subs[$parent] = array();
+ }
+ array_push($this->sub_subs[$parent], $tag_name);
+ array_push($parents, $parent);
+ $parent = $tag_name;
+
$out .= '~' . $tag_name . '~';
$in = substr($in, strlen($start_tag));
$this->sub_templates[$tag_name] = '';
- $this->_load($in, $this->sub_templates[$tag_name]);
+ $this->_load($in, $this->sub_templates[$tag_name], $parents, $parent);
} else {
# it's not a start tag or end tag, so let's pass it through:
$out .= substr($in, 0, 5);
@@ -103,44 +134,77 @@ class tem {
} #repeat
}
+ # like load() except you pass a string instead of a filename
+ function load_str($str) {
+ $this->template = '';
+ $parents = array('top_level_subs' => array());
+ $parent = 'top_level_subs';
+ $this->_load($str, $this->template, $parents, $parent);
+ }
+
# This is useful when you have sub-templates that you want to mess with
# before the main template is run. But can also be used to simply specify
# the filename ahead of time.
function load($filename) {
$this->filename = $filename;
- $tmp = read_whole_file($filename);
- $this->template = '';
- $this->_load($tmp, $this->template);
+ $this->load_str(read_whole_file($filename));
}
# Run the template. Pass a filename, or a string, unless you've already
# specified a template with load()
function run($templ = false) {
+ $template_string = $this->template;
+ $template_file = $this->file;
if($templ !== false) {
if(strlen($templ) < 150 && file_exists($templ)) {
- $this->filename = $templ;
- unset($this->template);
+ $template_file = $templ;
+ unset($template_string);
} else {
- $this->template = $templ;
+ $template_string = $templ;
}
}
- if(!$this->template) {
- if(!$this->filename) {
+ if(!$template_string) {
+ if(!$template_file) {
print "sorry, no template to run\n";
exit(1);
}
- $this->template = read_whole_file($this->filename);
+ $template_string = read_whole_file($template_file);
}
- return template_run($this->template, $this->keyval);
+ return template_run($template_string, $this->keyval);
}
# same as run() except the output is print()ed
function output($templ = false) {
print($this->run($templ));
}
+
+ # return the names of the top level subs, or an empty array
+ function top_sub_names() {
+ if(isset($this->sub_subs['top_level_subs'])) {
+ return $this->sub_subs['top_level_subs'];
+ } else {
+ return array();
+ }
+ }
+
+ # return the contents of the top-level sub-templates
+ #
+ # this does not run the sub-templates, so if you've not called tem_show() on them, they will be blank.
+ #
+ # Return a hash.
+ # keys: name of top level sub-template.
+ # values: contents of said sub-template.
+ function top_subs() {
+ $ret = array();
+ $names = $this->top_sub_names();
+ foreach($names as $name) {
+ $ret[$name] = $this->get($name);
+ }
+ return $ret;
+ }
}
# Below are functions so you can use the above class without allocating or
@@ -153,6 +217,16 @@ function tem_init() {
}
}
+function tem_append($key, $value) {
+ tem_init();
+ $GLOBALS['wfpl_template']->append($key, $value);
+}
+
+function tem_prepend($key, $value) {
+ tem_init();
+ $GLOBALS['wfpl_template']->prepend($key, $value);
+}
+
function tem_set($key, $value) {
tem_init();
$GLOBALS['wfpl_template']->set($key, $value);
@@ -168,11 +242,22 @@ function tem_run($templ = false) {
return $GLOBALS['wfpl_template']->run($templ);
}
+# depricated (renamed tem_show())
function tem_sub($sub_template_name) {
+ tem_show($sub_template_name);
+}
+
+function tem_show($sub_template_name) {
tem_init();
- $GLOBALS['wfpl_template']->sub($sub_template_name);
+ $GLOBALS['wfpl_template']->show($sub_template_name);
}
+function tem_show_separated($sub_template_name) {
+ tem_init();
+ $GLOBALS['wfpl_template']->show_separated($sub_template_name);
+}
+
+
function tem_load($filename) {
tem_init();
$GLOBALS['wfpl_template']->load($filename);
@@ -187,15 +272,19 @@ function tem_output($filename = false) {
# this is used in template_run() and should be of no other use
function template_filler($matches) {
- list($tag, $enc) = explode('.', $matches[1], 2);
+ $match = array_pop($matches);
+ list($tag, $enc) = explode('.', $match, 2);
$value = $GLOBALS['wfpl_template_keyval'][$tag];
if($enc) {
- $enc = "enc_$enc";
- if(function_exists($enc)) {
- $value = $enc($value);
- } else {
- print "ERROR: encoder function '$enc' not found.
\n";
- exit(1);
+ $encs = explode('.', $enc);
+ foreach($encs as $enc) {
+ $enc = "enc_$enc";
+ if(function_exists($enc)) {
+ $value = $enc($value, $tag);
+ } else {
+ print "ERROR: encoder function '$enc' not found.
\n";
+ exit(1);
+ }
}
}
return $value;
@@ -206,8 +295,25 @@ function template_filler($matches) {
# returns the result.
function template_run($template, &$keyval) {
$GLOBALS['wfpl_template_keyval'] =& $keyval;
- return preg_replace_callback(array('||', '|~([^~]*)~|', '|([^<]*)|', '|
([^<]*)
|'), 'template_filler', $template); + return preg_replace_callback('`|~([^~]*)~|([^<]*)|([^<]*)
`', 'template_filler', $template); } +function tem_top_sub_names() { + tem_init(); + return $GLOBALS['wfpl_template']->top_sub_names(); +} + +function tem_top_subs() { + tem_init(); + return $GLOBALS['wfpl_template']->top_subs(); +} + +# replaces currently set template, and returns the old. +function tem_load_new($file) { + $old = $GLOBALS['wfpl_template']; + $GLOBALS['wfpl_template'] = new tem(); + $GLOBALS['wfpl_template']->load($file); + return $old; +} ?>